Some of his employees were acting in collusion to rob him. 2. Law. a secret understanding between two or more persons to gain something illegally, to defraud another of his or her rights, or to appear as adversaries though in agreement: collusion of husband and wife to obtain a divorce. Origin of collusion.
Cheetah Speed. The cheetah is the worldâs fastest land animal. They can run 70 mph (or 110 kph), which is as fast as cars drive on the highway. The cheetah can reach its top speed in just 3 seconds!
1 Was recently recorded running at up to 322 body lengths per second. 2  Cheetah running at 60 miles per hour attains only about 16 body lengths per second.  Equivalent to a person running roughly 1300 miles per hour.